The Dispossessed. On the grounds I haven't read the others but also the way it contrasts the flaws of the societies. It is in my favourite books list.

I can only assume this person regards what you already own as sacrosanct and doesn't care about what you are owed.

Paywalled, unfortunately.

Paywalled, unfortunately

Not a clue. Good luck.

Quite. Words, phrases and concepts can be very adults only too. Text can be porn.

Particularly good to jear about the mislabelling amendment opportunity and reply controls, on top of the better management to limit inappropriate content.